Tools & Wizards About Us
beijing.dulwich.org screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

beijing.dulwich.org

International School in Beijing - DULWICH COLLEGE BEIJING

Page Load Speed

13.1 sec in total

First Response

707 ms

Resources Loaded

12 sec

Page Rendered

475 ms

beijing.dulwich.org screenshot

About Website

Welcome to beijing.dulwich.org homepage info - get ready to check Beijing DULWICH best content for Singapore right away, or after learning these important things about beijing.dulwich.org

Dulwich College Beijing is an International school / college in Beijing, China. Visit and discover our academic framework and our outstanding academic results.

Visit beijing.dulwich.org

Key Findings

We analyzed Beijing.dulwich.org page load time and found that the first response time was 707 ms and then it took 12.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

beijing.dulwich.org performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value18,460 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value31.9 s

0/100

10%

Network Requests Diagram

beijing.dulwich.org

707 ms

beijing.dulwich.org

3488 ms

optimize.js

41 ms

modernizr-custom.js

1146 ms

main.css

5628 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 6% of them (3 requests) were addressed to the original Beijing.dulwich.org, 37% (19 requests) were made to Assets.dulwich.org and 27% (14 requests) were made to Dulwich.org. The less responsive or slowest element that took the longest time to load (5.6 sec) relates to the external source Dulwich.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 472.8 kB (38%)

Content Size

1.3 MB

After Optimization

781.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Beijing.dulwich.org main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 695.3 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 122.8 kB

  • Original 138.5 kB
  • After minification 88.7 kB
  • After compression 15.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 49.7 kB, which is 36% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 122.8 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 27.8 kB

  • Original 695.3 kB
  • After minification 667.5 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Beijing DULWICH images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 218 B

  • Original 41.5 kB
  • After minification 41.5 kB
  • After compression 41.3 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-85%

Potential reduce by 321.9 kB

  • Original 378.9 kB
  • After minification 378.6 kB
  • After compression 57.0 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Beijing.dulwich.org needs all CSS files to be minified and compressed as it can save up to 321.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (39%)

Requests Now

44

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Beijing DULWICH. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

beijing.dulwich.org

beijing.dulwich.org

707 ms

beijing.dulwich.org

beijing.dulwich.org

3488 ms

optimize.js

optimize.js

41 ms

modernizr-custom.js

modernizr-custom.js

1146 ms

main.css

main.css

5628 ms

main.js

main.js

4053 ms

externally-accessible.js

externally-accessible.js

733 ms

analytics.js

analytics.js

128 ms

mtiFontTrackingCode.js

mtiFontTrackingCode.js

249 ms

gtm.js

gtm.js

170 ms

2022-web-dcb-cn-left-aligned.svg

2022-web-dcb-cn-left-aligned.svg

2162 ms

crest-logo.svg

crest-logo.svg

1800 ms

graduate-worldwise-20220110-100949-9.jpeg

graduate-worldwise-20220110-100949-9.jpeg

702 ms

202209-1.jpg

202209-1.jpg

629 ms

dcb-ey.jpeg

dcb-ey.jpeg

701 ms

dcb-js.jpeg

dcb-js.jpeg

611 ms

dcb-ss.jpeg

dcb-ss.jpeg

675 ms

steam-se21.jpeg

steam-se21.jpeg

701 ms

dcb-vpa.jpeg

dcb-vpa.jpeg

782 ms

dcb-sports.jpeg

dcb-sports.jpeg

745 ms

mandarin.jpeg

mandarin.jpeg

750 ms

safeguarding.jpeg

safeguarding.jpeg

760 ms

dcb-schoolcalendar.jpeg

dcb-schoolcalendar.jpeg

760 ms

dcb-academicresults.jpeg

dcb-academicresults.jpeg

817 ms

wellbeing.jpeg

wellbeing.jpeg

821 ms

dcb-learning-principles.jpeg

dcb-learning-principles.jpeg

831 ms

dcb-onlinelearning.jpeg

dcb-onlinelearning.jpeg

834 ms

university-counselling.jpeg

university-counselling.jpeg

854 ms

m8ilBp9WpTztVYYdS9lbp5Rix3Zn0ZCiZk8jAU0B.jpeg

m8ilBp9WpTztVYYdS9lbp5Rix3Zn0ZCiZk8jAU0B.jpeg

1717 ms

2022-dcb-cn-centred-aligned-20220129-160803-255.svg

2022-dcb-cn-centred-aligned-20220129-160803-255.svg

2477 ms

crest-logo.svg

crest-logo.svg

834 ms

union.png

union.png

318 ms

group-logo-text.svg

group-logo-text.svg

347 ms

field-success.svg

field-success.svg

434 ms

c9aeeabd-dd65-491d-b4be-3e0db9ae47a0.woff

c9aeeabd-dd65-491d-b4be-3e0db9ae47a0.woff

1109 ms

4b978f72-bb48-46c3-909a-2a8cd2f8819c.woff

4b978f72-bb48-46c3-909a-2a8cd2f8819c.woff

526 ms

75b36c58-2a02-4057-a537-09af0832ae46.woff

75b36c58-2a02-4057-a537-09af0832ae46.woff

585 ms

zawgyi.woff

zawgyi.woff

886 ms

icomoon.ttf

icomoon.ttf

574 ms

collect

collect

12 ms

collect

collect

36 ms

ga-audiences

ga-audiences

37 ms

conversion_async.js

conversion_async.js

82 ms

insight.min.js

insight.min.js

51 ms

fbevents.js

fbevents.js

27 ms

588058968681504

588058968681504

6 ms

63 ms

108 ms

17 ms

16 ms

16 ms

Accessibility Review

beijing.dulwich.org accessibility score

81

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not have valid values

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

beijing.dulwich.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

beijing.dulwich.org SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Beijing.dulwich.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Beijing.dulwich.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

beijing.dulwich.org

Open Graph data is detected on the main page of Beijing DULWICH. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: